The stapler is a labor-saving lever. Large stapler is more obvious, the position of the nail is about half of the length of the shaft from the handle, the force arm of human action is longer, so it is labor-saving. The ordinary small stapler basically does not save effort, and the force arm is the same.
The traditional method of book binding is to stitch together the pages of the book according to “sticking codes”. This is a rather complicated process, simple for a skilled bookbinding worker, but it may be difficult to do it by a machine. Therefore, binding workers who want to increase their working speed, especially when producing brochures and magazines that are usually required to be fast, are trying to find a way to bind with small pieces of bent iron wire.
There is at least one stapler in every office, which provides us with an ideal way to bind many pages together for storage. Many students also have staplers in their homes.